KAV stereo series
SACD Standard SACD player
SACD Standard grafts Krell's high-bandwidth, large-dynamic circuit design features to Super Audio CD (Super Audio CD), a new media platform. In the music performance, the elements that can capture the audience the most are the vivid sound and dynamic contrast. Now, these elements can be restored with more surprising accuracy.
The unique shell-in-shell design provides SACD Standard with ultra-stable disc drive operation, as well as damping functions including vibration from electronic components. Disc drive and audio circuit enjoy independent Power Supply, so that these two parts can play their best performance. The specially wound toroidal power transformer provides a strong current support and low-noise working environment for analog circuits. The multi-stage voltage stabilization structure ensures a rock-solid power source for all gain stages to meet the most powerful dynamic reduction requirements.
Within SACD Standard, Krell all uses a high-performance discrete circuit architecture, including multi-channel gain stages. Surface mount technology and the most advanced circuit miniaturization technology provide conditions for the circuit density and signal transmission capability required by Krell's complex circuit design. Each channel uses paired 24-bit / 192kHz DACs; balanced left and right channel output circuits provide the best stereo reproduction.
The new style and suitable size remote control allows you to conveniently control SACD Standard, and also includes the volume of any Krell preamp, preamp / processor and integrated amplifier. RS-232 interface and 12V trigger input / output enable SACD Standard to be easily integrated into large and small custom installation systems.
The Krell Current Mode output stage maintains very large signal bandwidth and low-level linearity, and delivers every music detail in the SACD format. These exciting six-channel music experiences pass through a set of The new multi-channel output is brought to the Krell source.
KAV-400xi combined amplifier
KAV-400xi is a high-performance combined amplifier. In this elegant equipment, many of Krell's iconic designs-high power, balanced circuits, unique technology, Krell's manufacturing quality, and perfect Sound quality. Like other Krell equipment manufactured according to strict standards, the KAV-400xi also has a compact chassis that is precisely constructed. Its exterior has been manually processed and is available in silver and black colors. In terms of sound quality, the low-frequency response of KAV-400xi is strong and powerful. The mid-frequency is natural and open, and the treble is stretched and smooth.
The remote control with novel style and suitable size can bring you convenient full-function remote control.
The balanced amplifier circuit with push-pull structure can produce 8Ω 200W / 4Ω 400W output power, and can completely control any speaker. Toroidal transformer of 800VA and capacitance of 55000mf provide sufficient power for the most powerful dynamic shock.
Both balanced and single-ended input plugs are available; Theater Throughput (theater connectivity) mode developed by Krell simplifies the integration steps with home theater systems; the solid WBT binding posts provide the best speaker terminals.
The KAV-400xi contains Krell's latest Class A direct coupling circuit design. The entire signal path from input to output is fully balanced, which reduces noise to a minimum. Krell Current Mode provides an unmatched bandwidth for the complete restoration of today's high-analysis music sources; the direct coupling circuit eliminates the need to use capacitors in the signal path; the volume control is a tactile volume knob made by a special vehicle.
KAV-280p pre-stage
KAV-280p is a stereo preamp with excellent sound quality. It is a supplement to the KAV series launched in 2001. Up to now, whether in traditional stereo, multi-channel audio, or home theater, KAV series can provide customers with a complete set of Krell equipment from the source to the final amplification.
KAV-280p directly adopts our most advanced current tunneling and surface mounting technology in the KCT pre-stage, and has achieved extremely high bandwidth, making it an ideal pre-stage with today's high-analysis power sources. According to Dan D'AgosTIno, President of Krell, "The KAV series does provide customers with unprecedented design performance and product value. The KAV-280p is a perfect example. It not only continues our traditional tradition of making outstanding stereo preamps, It also provides an opportunity for current users to enjoy the powerful flexibility of the system. " Other circuits include Krell's latest Class A direct-coupled design. The entire signal path from input to output is fully balanced. It also includes fully balanced volume control using a numerically controlled fixed-resistance attenuator. The power supply of all circuits is supplied by a dedicated power supply equipped with a separate voltage regulator, and the CNC circuit also enjoys another dedicated power supply; all signal switching is completed by precise air-tight multi-contact relays . Using the unique Theater Throughput function, KAV-280p can be easily integrated into future home theater systems.
KAV-280p not only provides outstanding sound quality performance, it also provides a high degree of operational convenience and functional diversity. Balanced and single-ended input and output can be fully compatible with a variety of source equipment. Krell's theater connectivity mode simplifies the integration step with a home theater system, and this function can be used for each input terminal. All functions of this pre-stage can be controlled by the attached hand-held remote control. Krell's aim is to continue to play the role of high-end audio equipment spokesperson-the sound of music from Krell with innovative design, perfect manufacturing quality, excellent value, service support of the list style, and outstanding sound quality restoration. 
KAV-2250 two-channel amplifier
This new heavyweight product that has been added to Krell's acclaimed KAV series brings more choices and flexibility in equipment formation for high-quality music and home theater system enthusiasts. The KAV-2250 includes the latest design improvements that bring audio performance to new heights.
The KAV-2250 two-channel amplifier enjoys many Krell design and manufacturing technologies. It has a huge 2kVA toroidal transformer power supply; it can output a substantial power of 250W / channel under an 8Ω load (at 4Ω, each channel is increased to 500W); it can reach an output power of 8Ω 1000W through a bridge.
This amplifier is equipped with the Krell MulTI Amplifier Throughput (MAT) function, which can send a set of input signals (balanced or single-ended) to any or all channels, thereby reducing the cumbersome equipment wiring in a multi-channel system.
Like the Theater Amplifier Standard, its gain stage uses Krell Current Mode discrete type A direct coupling fully complementary circuits; and in order to obtain high current output capability, each channel driver / output stage uses 14 high current transistors. This design makes the sound quality of the amplifier more clear, powerful and full of details-the signature feature of the Krell amplifier.
Krell Theater Amplifier Standard, KAV-3250 and KAV-2250 can be freely combined into 5, 6, 7 or more channel amplification systems in high-end home theaters and complete residential audio systems.
KAV Home Theater Series 
DVD Standard DVD player
Only equipped with excellent Xunyuan equipment can build an excellent home theater. When the market is flooded with a large number of mediocre DVD players, Krell's DVD Standard has emerged as an industry reference device-a true high-end home theater source equipment.
DVD Standard is the world's first DVD stand-alone with the latest high-performance digital video processing chip installed by Faroudja Laboratories. Faroudja's patented digital processing technology can bring unprecedented picture detail and sharpness. DVD Standard also uses Faroudja's award-winning deinterlacing and double-line processing technology to provide the highest quality progressive video output.
24-bit / 192kHz ultra-high analytical power digital-to-analog converter (DAC) ensures first-class audio performance. The converter has a set of differential current output architecture, which can provide an ideal interface for the discrete class A direct coupled fully complementary analog output circuit using the famous Krell Current Mode.
The advanced turntable mechanism is compatible with a large number of media formats, such as: single-layer and double-layer DVD, VCD, audio CD, and CD-R.
The video output has been optimized to correspond to the latest image display technology, including: plasma, LCD, DLP and DILA. Progressive scan output uses three 10-bit DAC chips, and provides RGB and component output interface formats.
The machine provides two digital audio output of optical fiber and coaxial. In the interlaced video output section, it is equipped with 2 times oversampling and a 10-bit DAC. The output mode includes component, S-video, and standard mixed output.
Krell DVD Standard is designed to bring the highest quality audio / video source signals to current and future high-end home theater systems, designed and manufactured with uncompromising standards. The hardware of the player can be easily upgraded through the turntable, so that the DVD Standard can keep up with the trend of media format development.
The key final output stage (transmitting the video signal to the display device) is composed of professional-grade circuits. The video board uses the classic Krell output stage technology-these powerful and uncompromising circuits can make the images on the DVD be the most vivid and delicate interpretation. 
KAV-3250 three-channel amplifier
This new heavyweight product that has been added to Krell's acclaimed KAV series brings more choices and flexibility in equipment formation for high-quality music and home theater system enthusiasts. The KAV-3250 includes the latest design improvements that bring audio performance to new heights.
The KAV-3250 three-channel amplifier enjoys many Krell design and manufacturing technologies. It has a huge 2kVA toroidal transformer power supply; all can output 250W / channel of solid power under 8Ω load (at 4Ω, each channel is increased to 500W); through the bridge, it can reach 8Ω 1000W output power.
This amplifier is equipped with the Krell MulTI Amplifier Throughput (MAT) function, which can send a set of input signals (balanced or single-ended) to any or all channels, thereby reducing the cumbersome equipment wiring in a multi-channel system.
Like the Theater Amplifier Standard, its gain stage uses Krell Current Mode discrete type A direct coupling fully complementary circuits; and in order to obtain high current output capability, each channel driver / output stage uses 14 high current transistors. This design makes the sound quality of the amplifier more clear, powerful and full of details-the signature feature of the Krell amplifier.
Krell Theater Amplifier Standard, KAV-3250 and KAV-2250 can be freely combined into 5, 6, 7 or more channel amplification systems in high-end home theaters and complete residential audio systems. 
Home Theater Standard 7.1 Surround Preamp / Processor
Krell HTS 7.1 is a video and audio system control center that can provide excellent audio / video performance, flexibility of matching, and ease of use. It is the core component of Krell HEAT â„¢, the High End Audio Theater system concept, which applies the basic principle of "creating a fully integrated high-performance multi-channel audio and video system" in Krell audio design. Krell HEAT can restore outstanding movie sound effects in your home that even the top commercial theaters cannot match.
HTS 7.1 has passed THX Ultra certification and is fully compatible with the latest surround sound processing modes such as THX Surround EX, Dolby Digital EX, DTS ES 6.1, DTS NEO: 6, and Dolby Pro Logic II. In addition, Krell's Music Surround (music surround) mode can also enhance the restoration of ordinary stereo music signals.
The digital surround circuit uses the most advanced signal processor. These processors all work at 24-bit sampling accuracy at high speed and are expanded with 8MB of additional memory. The resulting increase in processing efficiency improves bit stream identification and channel signal guidance. The digital crossover circuit provides a very wide crossover frequency, and works in the 48-bit double-precision mode, which has an unmatched ability to optimize the performance of the speaker / subwoofer system. Finally, in order to produce the most accurate analog signal, all channels are handed over to the 24-bit / 192 kHz DAC for processing.
The analog circuit, the most critical part of the surround sound pre-stage / processor, uses an advanced signal path developed for Krell's flagship stereo pre-stage Krell Current Tunnel. All 8 channels use a fully balanced Krell Current Mode â„¢ circuit without negative feedback structure, bringing the bandwidth to an astonishing 1MHz. This set of circuits can ensure the true and accurate reproduction of the signals in today's movie audio tracks and high-resolution audio formats. In Preamp mode, HTS 7.1 is like a pure analog pre-stage, bypassing all digital circuits to ensure the cleanest and most direct signal path.
The powerful structural diversity, unparalleled system interface and flexibility have made the use of HTS 7.1 very simple. The built-in step-by-step step-by-step guidance function simplifies the optimal setting process of the system.
The broadcast-level fully separated video circuit provides a signal bandwidth of more than 80MHz, which can reproduce the most vivid of all input signals (including: mixed, S-video, interlaced components, and high-definition signals of progressive and broadband) Color and the finest picture.
Krell's unique seven-channel digital room equalizer based on software design can maximize system performance in any room. Any one of the four sets of memory settings can allow users to filter the seven channels (high pass, low pass, notch, peak and high / low pass cutoff frequency), operating frequency, and channel level, etc. Perform programming. In this way, you can achieve a set of separate optimal sound settings for stereo / multi-channel music appreciation, theater surround, or even TV games. Therefore, without requiring any acoustic experts, Krell ’s digital room equalizer can turn your home entertainment room into a fascinating home theater ...
The control port contains bidirectional RS-232 communication connection, 12V DC trigger, and RC-5 direct input. HTS 7.1 has also passed Creston I2P certification and can be used for touch screen control systems. The operating system is recorded in FLASH memory, which can be upgraded through the RS-232 port. 
Theater Amplifier Standard multi-channel amplifier
The Krell Theater Amplifier Standard chassis contains 5 completely identical channels. It has a powerful power output capability, which can drive any home theater speaker combination to achieve an unparalleled sound quality and restore an extremely realistic sound pressure level.
Theater Amplifier Standard outputs 200W per channel at 8 Ω (400W per channel at 4Ω). The adjacent channels can be bridged to an output power of 800W under an 8Ω load. The gain stage adopts the latest Krell Current Mode discrete type A direct coupling fully complementary design, which makes the restoration clarity and accuracy reach an unprecedented height. Each channel driver / output stage uses 14 high-current transistors. Backed by a huge 4kVA toroidal transformer power supply, even when faced with some extremely inefficient speakers or some of the most challenging music and movie clips, TAS can still output a large amount of current to ensure normal performance.
The machine is equipped with balanced and single-ended input connection; 12V DC trigger input / output can support remote on / off operation; MulTI Amplifier Throughput â„¢ (MAT) function can send a set of input signals to any one or all channels In order to reduce the complicated equipment connection in the multi-channel system; the DB-25 input facilitates the single-line connection of audio and control signals. 
Showcase DVD DVD player 
Showcase Processor Surround preamp / processor
The Showcase processor is Krell's fifth-generation surround sound preamp / processor. It condenses Krell's successful experience in developing reference-grade Hi-End audio theater (HEAT) systems over the past decade. With the latest surround sound technology, patented digital room equalizer, and excellent performance of the pre-stage circuit, the Showcase processor extends Krell's traditional KAV series with high cost performance to a new generation.
Krell's unique seven-channel digital room equalizer based on software design can maximize system performance in any room. Any one of the four sets of memory settings can allow users to filter the seven channels (high pass, low pass, notch, peak and high / low pass cutoff frequency), operating frequency, and channel level, etc. Perform programming. In this way, you can achieve a set of separate optimal sound settings for stereo / multi-channel music appreciation, theater surround, or even TV games. Therefore, without requiring any acoustic experts, Krell's digital room equalizer can turn your home entertainment room into a fascinating home theater ...
The control of all digital signal processing in the Showcase processor is done by the most advanced digital chip working on 24-bit sampling accuracy. The processor has passed THX Ultra certification and contains many advanced signal processing technologies, such as: Dolby Pro Logic II, Dolby Digital EX, THX Surround EX, DTS NEO: 6, and DTS-ES 6.1. Krell's computer software provides a numerically controlled low-frequency management function with crossover points that can be selected by the user, and can be used to optimize the system's speaker / subwoofer interface. In order to obtain the most accurate analog signal transmission, when all the digital signal processing is completed, the audio information will be decoded by the 24-bit / 192 kHz digital-to-analog converter in the 7.1 channel to the pre-amplification stage.
In the key pre-amplification part, the Showcase processor uses Krell ’s advanced analog circuits: the fully balanced design can transmit the extremely wide frequency bands necessary for the accurate reproduction of current movie audio tracks and high-resolution audio formats; the analog pre-mode can Audio signals bypass all digital circuits and provide the most direct signal path for multi-channel and stereo recording restoration.
Showcase processor uses a fully separated video circuit. With a bandwidth of more than 80MHz, it can ensure the integrity of progressive and high-definition component video signals while providing on-screen display for all video signals.
Advanced operation functions include a batch of remote control user interfaces, FLASH memory (fast memory) for future software upgrades, and easy-to-understand menu-based intelligent system settings. From convenient pre-settings to the last amazing room sound effects, Krell Showcase processor products set a new standard for high-performance and cost-effective pre-stage / processor. 
Showcase Amplifier 5/6/7 multi-channel amplifier
The concise and elegant, finely processed matte aluminum plate Krellcoat exterior chassis reminds people of the exciting and outstanding performance hidden in the Krell Showcase multi-channel amplifier.
The Showcase series design uses the advanced technology Krell Current Mode circuit developed for Full Power Balanced amplifiers. This fully balanced circuit layout ensures that noise interference is minimized and that maximum detail restoration is achieved. Class A input, front driver and driver stage are the key low-level signals to provide the most accurate signal path.
From sound performance and power output to appearance and upgrade capabilities, all aspects of the connection are so close and coordinated. Showcase amplifiers are available in five-channel, six-channel, and seven-channel architectures, all based on the same outstanding technology as Krell's top products.
In order to bring the most exciting experience in today's demanding multi-channel music and theater effects to the listener, the amplifier must be able to output sufficient power at 8Ω and double the output when the speaker impedance reaches 4Ω. The circuit module of the Showcase amplifier uses 8 high-speed power tubes, which can output 125W of power at 8Ω, and 250W at 4Ω. Surface mount technology was previously only used in the circuit of Krell reference equipment. Now, Showcase amplifiers also use this high-density circuit necessary to obtain maximum dynamic range and bandwidth.
Power supply is the foundation of all amplifiers. Therefore, in order to provide a rock-solid power supply platform that is not affected by speaker demand or AC power fluctuations, we have equipped the amplifier with a huge 1500W toroidal transformer and 80000mf filter capacitor.
The modular platform design provides an upgrade path for Showcase 5 and Showcase 6 amplifiers so that additional channel modules can be added at any time. The basic platform of Showcase includes seven-channel input terminals and speaker binding posts. This makes the upgrade process very easy.
Class A series
KCT pre-amplifier
KPE Phono Amplifier
Full Power Balanced Stereo Amplifier
Full Power Balanced mono post amplifier
Evolution series
Evolution One mono power amplifier
Evolution Two mono preamp
Master series
Master Reference Subwoofer Master Reference Subwoofer
Imagine what will happen when Krell fully exerts its world-renowned sound design capabilities and uncompromising product design methods to develop a reference subwoofer for music and theater appreciation?
The result is the birth of Krell MRS, Master Reference Subwoofer.
Equipped with specially designed dual 15-inch bass-each unit can reach a shocking 3-inch stroke; built-in an advanced 2600W dedicated Krell amplifier. MRS can produce an air moving sense like a storm and an extraordinary sound pressure output stage.
It can output a 20Hz signal with a sound pressure level up to 120dB. If four MRSs are connected for low-frequency reduction, the effect will exceed anyone's imagination.
The fully programmable numerically controlled active crossover ensures that the MRS subwoofer can be tightly integrated with the main channel speakers. The powerful Krell software can control the ordinary simultaneous connection with the LFE input, so as to maximize the performance of the subwoofer in music and theater systems. Up to 5 filter parameters can be defined and saved by the user-for example: roll-off degree, type and frequency.
A set of advanced comparison circuits for input synchronous drive control overcomes the performance limitations of general negative feedback servo systems.
In order to support such a strong low frequency output, the MRS cabinet is made of 1 inch thick aluminum plate plus 2 inch thick speaker baffle. This sturdy 400-pound box ensures the cleanest low-frequency reduction, making MRS completely immune to the problems of acoustic staining caused by resonance and vibration.
The cabinet has been processed and decorated with high-precision diamond cutting, which not only retains the natural texture of aluminum, but also makes this unique appearance and interior furnishings elegantly blend together.
In addition to ordinary balanced and single-ended terminals, MRS is also equipped with Krell CAST â„¢, the current audio signal transmission interface that can achieve the most accurate analog signal transmission between equipment.
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